Child&#39;s booster car seat for vehicle lap/shoulder belt systems



FIG. 1 is a perspective view of a child's booster car seat for vehicle lap/shoulder belt systems showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof, left side is a mirror image;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan thereof. 

The ornamental design for a child's booster car seat for vehicle lap/shoulder belt systems, as shown and described. 